Engine Case

S&S Cycle #310-1351 - Crankcase, Assembly, 4-1/2" Bore, Stock Drive Bearing, Packaged, MM Code, WBlack, 2018-up M8 Softail

S&S Cycle #310-1368 - Crankcase, Assembly, 5-1/8" Bore, w/ Main Bearing Insert, Natural, Billet, PS160 Gen2

S&S Cycle #310-1371 - Crankcase, Assembly, Stock Bore, Studs Not Installed, Stock Drive Bearing, Packaged, MA Code, WBlack, 2017-up M8 Touring

S&S Cycle #310-1372 - Crankcase, Assembly, Stock Bore, Studs Not Installed, Stock Drive Bearing, Packaged, MA Code, Black Granite, 2017-up M8 Touring

S&S Cycle #310-1373 - Crankcase, Assembly, Stock Bore, Studs Not Installed, Stock Drive Bearing, Packaged, ML Code, WBlack, 2018-up M8 Softail

S&S Cycle #310-1374 - Crankcase, Assembly, 4-1/2" Bore, Studs Not Installed, Stock Drive Bearing, Packaged, MB Code, WBlack, 2017-up M8 Touring

S&S Cycle #310-1375 - Crankcase, Assembly, 4-1/2" Bore, Studs Not Installed, Stock Drive Bearing, Packaged, MM Code, WBlack, 2018-up M8 Softail

S&S Cycle #310-1405 - Crankcase, Stock Bore, No Bolt Pattern, Packaged, MC Code, WBlack, 2017-up M8 Touring

S&S Cycle 106-4043A S&S Cycle 99-06 BT 4-18in Bore Crankcase - Silver

This crankcase is intended to replace the crankcases in HD® Twin Cam 88® engines in existing HD® chassis only. S&S stock style crankcases have a rear motor mount that bolts directly to the stock...

S&S Cycle 106-4057A S&S Cycle 99-06 BT Crankcase Assembly

Super Stock® Generator Style Crankcases For 1936-' Big Twins with 3 5/8" Bore FitmentYear(s)MakeModel CodeModel1999-2006Harley-Davidson—Big Twin except 2006 Dyna

S&S Cycle 31-0033 S&S Cycle 92-99 BT 4-1/8in Bore Small Diameter Flywheels Special Application Crankcase - Natural

Designed for high performance engines with cylinder bores between 4" and 4 3/8". Fits 1984–'99 big twins with 4" bore and over S&S 4 3/8" bore: V126 S&S 4 1/8" bore: V124, V111, V117 S&S 4" bore:...

S&S Cycle 31-0037 S&S Cycle 92-99 BT w/ 4-1/8in Bore Small Diameter Flywheel Special Application Crankcase

Designed for high performance engines with cylinder bores between 4" and 4 3/8". Fits 1984–'99 big twins with 4" bore and over S&S 4 3/8" bore: V126 S&S 4 1/8" bore: V124, V111, V117 S&S 4" bore:...

S&S Cycle 31-0178A S&S Cycle 99-06 Twin Cam 88 A Engines 4-1/8in Bore S&S Stud Pattern Crankcase - Wrinkle Black

This 4-1/8" wrinkle black S&S® stud pattern crankcase for 1999–'06 HD® Twin Cam 88®A engines (except 2006 HD® Dyna®) is much stronger than stock crankcases in every aspect. It has an extra large...

S&S Cycle 310-0367B S&S Cycle 07-16 BT Engines w/ Stock Bore Super Stock T2 Crankcase - Wrinkle Black

S&S Cycle 07-16 BT Engines w/ Stock Bore Super Stock T2 Crankcase - Wrinkle Black

S&S Cycle 310-0369B S&S Cycle 07-16 BT Engines w/ 4-1/8in Bore Super Stock T2 Crankcase - Wrinkle Black

S&S Cycle 07-16 BT Engines w/ 4-1/8in Bore Super Stock T2 Crankcase - Wrinkle Black